• Nominal Size. Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Length. The length of the screw shall be measured overall, parallel to the axis of the screw. The basic length dimension on the product shall be the nominal length expressed as a two-place decimal.
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Socket Screws

Unit of Measure

N/A English

Type

N/A Cup and Flat Point

Nominal Size or Basic Screw Diameter

N/A 1/2 in

Nominal Size or Basic Screw Diameter (Decimal)

N/A 0.5000 in

Nom. Hexagon Socket Size (J)

N/A 1/4 in

Nom. Hexagon Socket Size Decimal (J)

N/A 0.250 in

Nom. No. of Splines

N/A 6

Nom. Spline Socket Size Decimal (M)

N/A 0.291 in

Hex Socket TH Min. Key Engagement to Develop Functional Capability of Key (T)

N/A 0.250 in

Spline Socket Ts Min. Key Engagement to Develop Functional Capability of Key (T)

N/A 0.250 in

Max. Cup and Flat Point Diameters (C)

N/A 0.291 in

Min. Cup and Flat Point Diameters (C)

N/A 0.270 in

Cup and Flat Points Shortest Optimum Nominal Length to Which TH Applies (B)

N/A 0.50 in

Cup and Flat Points Shortest Optimum Nominal Length to Which Ts Applies (B1)

N/A 0.50 in

Codes and Standards

Codes and Standards

N/A ASME B18.3 2002
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